[High Quality Materials] The float switch is made of high quality plastic, it is non-toxic, environmentally friendly and durable. [Bold Copper Wire] The water level regulator uses thickened copper wire with good conductivity and long service life. [ Insulation Protective Cover ] A thickened heat and cold resistant protective cover, made of high quality materials, good insulation effect and strong aging resistance can effectively protect the core. [ Scope ] Widely used in domestic swimming pools and factories with swimming pools, barrels, tanks, reservoirs, etc. [ Internal Structure ] Choose a large-capacity microswitch. At a voltage of 220 volts, the voltage can reach 10 amps.